From 7b0886b0f2fad3fdd4966faee97c9730da66b808 Mon Sep 17 00:00:00 2001
From: Adorilson Bezerra <adorilson@gmail.com>
Date: Mon, 2 Feb 2026 22:18:08 +0000
Subject: [PATCH] gh-106318: Add a successful example for str.index() method

---
 Doc/library/stdtypes.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index ce0d7cbb2e4276..2435f074f052d0 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -2163,6 +2163,8 @@ expression support in the :mod:`re` module).
 
    .. doctest::
 
+      >>> 'spam, spam, spam'.index('spam')
+      0
       >>> 'spam, spam, spam'.index('eggs')
       Traceback (most recent call last):
         File "<python-input-0>", line 1, in <module>